HUE053709T2 - Ritkaföldfém permanens mágnes elõállítási eljárása - Google Patents

Ritkaföldfém permanens mágnes elõállítási eljárása

Info

Publication number
HUE053709T2
HUE053709T2 HUE12803430A HUE12803430A HUE053709T2 HU E053709 T2 HUE053709 T2 HU E053709T2 HU E12803430 A HUE12803430 A HU E12803430A HU E12803430 A HUE12803430 A HU E12803430A HU E053709 T2 HUE053709 T2 HU E053709T2
Authority
HU
Hungary
Prior art keywords
permanent magnet
production method
rare earth
earth permanent
rare
Prior art date
Application number
HUE12803430A
Other languages
English (en)
Hungarian (hu)
Inventor
Keisuke Taihaku
Katsuya Kume
Toshiaki Okuno
Izumi Ozeki
Tomohiro Omure
Takashi Ozaki
Original Assignee
Nitto Denko Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nitto Denko Corp filed Critical Nitto Denko Corp
Publication of HUE053709T2 publication Critical patent/HUE053709T2/hu

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H01F1/047Alloys characterised by their composition
    • H01F1/053Alloys characterised by their composition containing rare earth metals
    • H01F1/055Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H01F1/0571Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
    • H01F1/0575Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
    • H01F1/0577Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together sintered
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H01F1/06Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/08Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/10Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
    • B22F1/102Metallic powder coated with organic material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/10Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
    • B22F1/103Metallic powder containing lubricating or binding agents; Metallic powder containing organic material containing an organic binding agent comprising a mixture of, or obtained by reaction of, two or more components other than a solvent or a lubricating agent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/02Compacting only
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10Sintering only
    • B22F3/1017Multiple heating or additional steps
    • B22F3/1021Removal of binder or filler
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12Both compacting and sintering
    • B22F3/16Both compacting and sintering in successive or repeated steps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/006Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of flat products, e.g. sheets
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/005Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H01F1/047Alloys characterised by their composition
    • H01F1/053Alloys characterised by their composition containing rare earth metals
    • H01F1/0536Alloys characterised by their composition containing rare earth metals sintered
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H01F1/06Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/42Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of organic or organo-metallic materials, e.g. graphene
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H01F41/0266Moulding; Pressing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24After-treatment of workpieces or articles
    • B22F2003/248Thermal after-treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2201/00Treatment under specific atmosphere
    • B22F2201/01Reducing atmosphere
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2301/00Metallic composition of the powder or its coating
    • B22F2301/45Rare earth metals, i.e. Sc, Y, Lanthanides (57-71)
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2302/00Metal Compound, non-Metallic compound or non-metal composition of the powder or its coating
    • B22F2302/45Others, including non-metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10Processes characterised by the sequence of their steps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2999/00Aspects linked to processes or compositions used in powder metallurgy
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C2202/00Physical properties
    • C22C2202/02Magnetic

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
HUE12803430A 2011-06-24 2012-03-15 Ritkaföldfém permanens mágnes elõállítási eljárása HUE053709T2 (hu)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011140913 2011-06-24
JP2011140909 2011-06-24

Publications (1)

Publication Number Publication Date
HUE053709T2 true HUE053709T2 (hu) 2021-07-28

Family

ID=47422359

Family Applications (1)

Application Number Title Priority Date Filing Date
HUE12803430A HUE053709T2 (hu) 2011-06-24 2012-03-15 Ritkaföldfém permanens mágnes elõállítási eljárása

Country Status (7)

Country Link
US (3) US9281107B2 (zh)
EP (2) EP2685474B1 (zh)
KR (1) KR101878998B1 (zh)
CN (1) CN103081038B (zh)
HU (1) HUE053709T2 (zh)
TW (1) TWI459410B (zh)
WO (1) WO2012176509A1 (zh)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101878998B1 (ko) * 2011-06-24 2018-07-16 닛토덴코 가부시키가이샤 희토류 영구 자석 및 희토류 영구 자석의 제조 방법
US20140197911A1 (en) * 2012-03-12 2014-07-17 Nitto Denko Corporation Rare-earth permanent magnet and method for manufacturing rare-earth permanent magnet
WO2013137134A1 (ja) * 2012-03-12 2013-09-19 日東電工株式会社 希土類永久磁石及び希土類永久磁石の製造方法
WO2014142137A1 (ja) * 2013-03-12 2014-09-18 インターメタリックス株式会社 RFeB系焼結磁石の製造方法及びそれにより製造されるRFeB系焼結磁石
JP6408820B2 (ja) * 2014-07-29 2018-10-17 日東電工株式会社 回転電機用永久磁石、回転電機用永久磁石の製造方法、回転電機及び回転電機の製造方法
TWI666668B (zh) * 2015-03-24 2019-07-21 日商日東電工股份有限公司 具有非平行的易磁化軸配向的稀土類永久磁石形成用燒結體之製造方法
TWI679658B (zh) 2015-03-24 2019-12-11 日商日東電工股份有限公司 稀土類永久磁石及具有稀土類永久磁石之旋轉機
CN107430921B (zh) * 2015-03-24 2020-03-10 日东电工株式会社 稀土类磁体形成用烧结体及稀土类烧结磁体
TWI682409B (zh) * 2015-03-24 2020-01-11 日商日東電工股份有限公司 稀土類磁鐵及使用該磁鐵的線性馬達
TWI751968B (zh) * 2015-03-24 2022-01-11 日商日東電工股份有限公司 稀土類永久磁石形成用燒結體及具有稀土類永久磁石之旋轉電機
WO2017022684A1 (ja) * 2015-07-31 2017-02-09 日東電工株式会社 希土類磁石形成用焼結体及び希土類焼結磁石
CN106739397B (zh) * 2016-11-14 2019-08-27 青岛卓英社科技股份有限公司 高取向度吸波材料的制备方法
US11229950B2 (en) * 2017-04-21 2022-01-25 Raytheon Technologies Corporation Systems, devices and methods for spark plasma sintering
WO2018207777A1 (ja) * 2017-05-08 2018-11-15 日東電工株式会社 希土類焼結磁石とこれに用いる希土類焼結磁石用焼結体、及び、これらを製造するために用いることができる磁場印加装置
CN108597709B (zh) * 2018-04-26 2020-12-11 安徽省瀚海新材料股份有限公司 一种耐腐蚀烧结钕铁硼的制备方法
CN109158594A (zh) * 2018-08-29 2019-01-08 江苏全球康功能纺织品有限公司 一种保健磁条的制作工艺
DE102020214335A1 (de) 2020-11-13 2022-05-19 Mimplus Technologies Gmbh & Co. Kg Verfahren zur Herstellung eines Permanentmagneten aus einem magnetischen Ausgangsmaterial

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62282417A (ja) 1986-04-30 1987-12-08 Tohoku Metal Ind Ltd 希土類磁石の製造方法
JPS6410303A (en) 1987-07-03 1989-01-13 Fuji Electric Co Ltd Program storing metho-d
JPH01150303A (ja) 1987-12-08 1989-06-13 Mitsubishi Steel Mfg Co Ltd 磁気異方性焼結磁石及びその製造方法
JPH05320708A (ja) * 1992-01-10 1993-12-03 Kawasaki Steel Corp 焼結性粉末射出成形用バインダおよび組成物
US5427734A (en) * 1992-06-24 1995-06-27 Sumitomo Special Metals Co., Ltd. Process for preparing R-Fe-B type sintered magnets employing the injection molding method
DE69314098T2 (de) * 1992-06-24 1998-03-12 Sumitomo Spec Metals Verfahren zur Herstellung von R-Fe-B-Typ Sintermagneten durch Injektionsformen
JPH06116605A (ja) 1992-10-01 1994-04-26 Kawasaki Steel Corp 希土類系永久磁石用合金粉末の成形助剤及びその添加合金粉末
JPH09283358A (ja) * 1996-04-09 1997-10-31 Hitachi Metals Ltd R−Fe−B系焼結磁石の製造方法
JP2000306753A (ja) * 1999-04-21 2000-11-02 Sumitomo Special Metals Co Ltd R‐Fe‐B系永久磁石の製造方法とR‐Fe‐B系永久磁石成形用潤滑剤
CN1288679C (zh) * 1998-04-22 2006-12-06 株式会社新王磁材 生产R-Fe-B磁体的方法和用于模压加工该磁体的润滑剂
JP2001006958A (ja) 1999-06-25 2001-01-12 Dainippon Ink & Chem Inc 磁石シートおよびその製造方法
JP2003313602A (ja) * 2002-04-25 2003-11-06 Mitsubishi Electric Corp 希土類磁石用粉末および前記粉末を用いた希土類磁石
JP4364487B2 (ja) 2002-07-15 2009-11-18 パナソニック株式会社 シ−トからフィルムに至る希土類ボンド磁石とそれを用いた永久磁石型モ−タ
JP2004146713A (ja) 2002-10-28 2004-05-20 Hitachi Metals Ltd R−t−n系磁粉の製造方法およびr−t−n系ボンド磁石の製造方法
JP2005203555A (ja) 2004-01-15 2005-07-28 Neomax Co Ltd 焼結磁石の製造方法
WO2007010860A1 (ja) 2005-07-15 2007-01-25 Neomax Co., Ltd. 希土類焼結磁石及びその製造方法
JP4635832B2 (ja) * 2005-11-08 2011-02-23 日立金属株式会社 希土類焼結磁石の製造方法
JP5266522B2 (ja) 2008-04-15 2013-08-21 日東電工株式会社 永久磁石及び永久磁石の製造方法
JP5434869B2 (ja) * 2009-11-25 2014-03-05 Tdk株式会社 希土類焼結磁石の製造方法
KR101878998B1 (ko) * 2011-06-24 2018-07-16 닛토덴코 가부시키가이샤 희토류 영구 자석 및 희토류 영구 자석의 제조 방법
JP5411957B2 (ja) * 2012-03-12 2014-02-12 日東電工株式会社 希土類永久磁石及び希土類永久磁石の製造方法

Also Published As

Publication number Publication date
EP2685474A1 (en) 2014-01-15
CN103081038A (zh) 2013-05-01
KR20140036998A (ko) 2014-03-26
EP2685474A4 (en) 2015-04-15
TWI459410B (zh) 2014-11-01
TW201301312A (zh) 2013-01-01
US20130285778A1 (en) 2013-10-31
US20160141100A1 (en) 2016-05-19
KR101878998B1 (ko) 2018-07-16
US20160196903A1 (en) 2016-07-07
WO2012176509A1 (ja) 2012-12-27
US9281107B2 (en) 2016-03-08
US9991034B2 (en) 2018-06-05
EP3786989A1 (en) 2021-03-03
CN103081038B (zh) 2017-03-08
EP2685474B1 (en) 2020-12-23
US9991033B2 (en) 2018-06-05

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